You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.
NM-Mint - $5.70
Lightly Played - $5.10
Moderately Played - $4.50
Heavily Played - $4.00
Damaged - $2.90
NM-Mint Non English - $5.70
Lightly Played Non English - $5.10
Moderately Played Non English - $4.50
Heavily Played Non English - $4.00
Damaged Non English - $2.90